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Key Documents

ABE367

Sigma-Aldrich

Anti-RNF168 Antibody

from rabbit, purified by affinity chromatography

Synonym(s):

E3 ubiquitin-protein ligase RNF168, hRNF168, RING finger protein 168, RNF168

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

rabbit

Quality Level

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

purified by

affinity chromatography

species reactivity

human, mouse

technique(s)

immunocytochemistry: suitable
western blot: suitable

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... RNF168(165918)

General description

E3 ubiquitin-protein ligase RNF168 (UniProt Q8IYW5; also known as hRNF168, RING finger protein 168) is encoded by the RNF168 gene (Gene ID 165918) in human. Ubiquitylation/Ubiquitination is an essential early signal in the DNA damage repair process. Multiple E3 ligases, including RNF2 (RING2), RNF8 and RNF168, mediate the addition of K63-linked polyubiquitin chains to histone 2A (H2A) and H2AX, which in turn recruits DNA damage repair proteins, e.g., RAP80, BRCA1. In addition, SUMOylation and NEDDylation are also involved in the DNA damage response. RNF168 is a dual specificity E3 ligase that mediates both the ubiquitination and NEDDylation of H2A and H2AX. The two types of modifications compete against each other and NEDD8 modification of H2A and H2AX blocks the recruitment of BRCA1 at DNA damage repair sites. RNF168 itself is also subjected to NEDD8 modification and NEDDylation of RNF168 is necessary for its ubiquitin ligase activity. Inhibition of RNF168 NEDDylation impairs its interaction with E2 enzyme Ubc13 (UBE2N). Likewise, downregulating RNF168 NEDDylation by the deNEDDylating enzyme NEDP1, or due to mutations of the NEDD8-conjugating enzyme UBC12, decreases H2A and H2AX ubiquitylation. RNF168 Mutations are linked to RIDDLE (radiosensitivity, immunodeficiency dysmorphic features and learning difficulties) syndrome.

Specificity

This antibody detects RNF168 in a lymphoblastoid cell line (LCL) derived from a healthy donor, but not LCL derived from a RIDDLE (radiosensitivity, immunodeficiency dysmorphic features and learning difficulties) syndrome patient.

Immunogen

Epitope: C-terminus
GST-tagged recombinant human RNF168.

Application

Immunocytochemistry Analysis: 1.0 µg/mL from a representative lot detected RNF168 in HeLa, A431, HUVEC, and NIH/3T3 cells.
Immunohistochemistry Analysis: A representative lot detected RNF168 in frozen human lung adenocarcinoma tissue sections (Xie, X., et al. (2018) Nat. Cell Biol. 20(3); 320-331).
Research Category
Epigenetics & Nuclear Function
Research Sub Category
Chromatin Biology
Use Anti-RNF168 Antibody (Rabbit Polyclonal Antibody) validated in WB, ICC, IF to detect RNF168 also known as E3 ubiquitin-protein ligase RNF168.

Quality

Evaluated by Western Blotting in SA13 human B cell lysate.

Western Blotting Analysis: A 1:1,000 dilution of this antibody detected RNF168 in 8 µg of SA13 human B cell lysate.

Target description

~75 kDa observed. Uncharacterized band(s) may appear in some lysates.

Physical form

Affinity purified
Purified rabbit polyclonal antibody in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Storage and Stability

Stable for 1 year at 2-8°C from date of receipt.

Analysis Note

Control
HeLa cell lysate

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Xiaoduo Xie et al.
Nature cell biology, 20(3), 320-331 (2018-02-07)
Growth signals, such as extracellular nutrients and growth factors, have substantial effects on genome integrity; however, the direct underlying link remains unclear. Here, we show that the mechanistic target of rapamycin (mTOR)-ribosomal S6 kinase (S6K) pathway, a central regulator of
Wenwen Wu et al.
Cancer science, 107(10), 1406-1415 (2016-10-30)
The breast and ovarian cancer predisposition protein BRCA1 forms three mutually exclusive complexes with Fanconi anemia group J protein (FANCJ, also called BACH1 or BRIP1), CtIP, and Abraxas/RAP80 through its BRCA1 C terminus (BRCT) domains, while its RING domain binds
I K Mandemaker et al.
Scientific reports, 7(1), 15353-15353 (2017-11-12)
The DNA damage response (DDR), comprising distinct repair and signalling pathways, safeguards genomic integrity. Protein ubiquitylation is an important regulatory mechanism of the DDR. To study its role in the UV-induced DDR, we characterized changes in protein ubiquitylation following DNA
Flavia Michelini et al.
Nature cell biology, 19(12), 1400-1411 (2017-11-29)
The DNA damage response (DDR) preserves genomic integrity. Small non-coding RNAs termed DDRNAs are generated at DNA double-strand breaks (DSBs) and are critical for DDR activation. Here we show that active DDRNAs specifically localize to their damaged homologous genomic sites
E Hedström et al.
Cell death & disease, 6, e1892-e1892 (2015-10-02)
Alterations in the scaffold protein WRAP53β have previously been linked to carcinogenesis and, in particular, associated with an increased risk for epithelial ovarian cancer. Here, we investigated the pathogenic impact and prognostic significance of WRAP53β in connection with epithelial ovarian

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